Tuning the Double Tongue
Fine Tuning the Double Tongue
Achieving a uniform articulation when alternating between the “tip and the top” is the secret to double tonguing. Here is a simple way to help you – not with a metronome, but with a tuner!
One of the key tests for an aspiring bassoonist is being able to play the repeated, single pitch eighth notes in the Overture to The Marriage of Figaro. Beethoven 4, Mozart 35 & 41,
– or any of a number of high velocity articulated passages – are a challenge, but at least they involve changing notes. What separates Figaro is the repeated pitch, especially at the end of this frequently selected excerpt.
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Double tonguing is a method of fast articulation where the reed’s vibration is interrupted by physical contact with the tongue alternating with an interruption of sufficient air pressure by raising the tongue and interrupting airflow. The first is clear and definitive; the second is mushy.
No matter how you think of the tip to top (front to back) motion of the tongue – or whichever syllables you rely upon in your own technique – you have to cope with a basic imbalance. The ‘T/K’ transition is an asymmetric process. Bringing the tongue up to the soft palate or the roof of the mouth stops and starts the tone with poor definition. We expect that upward motion to be precise enough to both stop and start the tone, but the space in the mouth surrounding the reed needs time to first de-pressurize and then re-pressurize.
The best solution to the imbalance is reducing the volume of that small space, which is why some syllables work better than others. Finding a syllable like ‘eu’ utilizes a tongue motion that is more forward in the mouth.
Legato tonguing practice, staccato stopped double-tongue practice are all useful. But there is a simple technique that can help you refine the tongue mechanics…intonation!
The repeated A naturals at the end of the Figaro passage are extraordinarily difficult to execute in a completely balanced manner. If you practice T-K-T-K legato and quite slowly you will hear the K syllable several cents sharper in pitch. It’s almost unavoidable because the top tongue operates the reed in a lower pressure environment.
Have you ever inhaled helium from a balloon? What happens to your voice? The lower density of helium gas raises the resonating frequencies of your vocal tract. The same thing happens on the weak syllable of the double tongue!
You can use this pitch difference as your primary tool in refining your double tongue mechanics.
- Experiment with syllables until you hear the ‘K’ top motion lower in pitch.
- Don’t always start with a tip tongue!
- Starting with a top tongue will usually bring an immediate improvement in the intonation balance
- String the ‘K’ syllables together
- The higher you go on the bassoon, the more challenging the intonation balance becomes, because climbing the acoustical ladder into the 2nd, 3rd, and 4th bore resonances will always cause more deviation in pitch.
- Notice how the repeated D’s tend to have less pitch differential? That D thru F is a sweet spot on the bassoon for double tonguing; lower notes becomes more resistant and higher notes show increased pitch differential.
- Practice your double tongue with reed and bocal only! This is the most revealing way of analyzing your syllabic/tongue placement choices as the short air column accentuates the pitch differentials between the alternating articulations.
- ABOVE ALL – FOCUS ON YOUR AIR!!
Christopher Millard is the former Principal Bassoon for Canada’s National Arts Centre Orchestra.
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